Finding the Third Proportional to 488.95 and 695.04

Step by Step Solution

1. Step 1: Write the proportion equation
   488.95 : 695.04 = 695.04 : x
2. Step 2: Convert to fraction form
   488.95/695.04 = 695.04/x
3. Step 3: Cross multiply
   488.95x = 695.04 × 695.04
4. Step 4: Simplify right side
   488.95x = 483,079.30
5. Step 5: Solve for x
   x = 483,079.30/488.95
6. Step 6: Final answer
   x = 987.99